WO2011154981A1 - Kinematism with orbital movement with fixed orientation - Google Patents
Kinematism with orbital movement with fixed orientation Download PDFInfo
- Publication number
- WO2011154981A1 WO2011154981A1 PCT/IT2010/000264 IT2010000264W WO2011154981A1 WO 2011154981 A1 WO2011154981 A1 WO 2011154981A1 IT 2010000264 W IT2010000264 W IT 2010000264W WO 2011154981 A1 WO2011154981 A1 WO 2011154981A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- kinematism
- orbital movement
- force
- rotation axis
- points
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/203—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with non-parallel axes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H1/321—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear the orbital gear being nutating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
Definitions
- the present invention refers to a kinematism with orbital movement with fixed orientation, that can be used in particular for making a revolution variator, reducer or multiplier in a mechanical transmission.
- object of the present invention is solving the above prior art problems by providing a kinematism with orbital movement with fixed orientation that can be adapted to situations providing in particular for the use of motors with constant number of revolutions or with a reduced variability range.
- Another object of the present invention is providing a kinematism with orbital movement with fixed orientation that, differently from known automatic gearboxes, allows keeping constant the number of revolutions of the engine to which it is coupled, that, for this reason, can indifferently be, in addition to an explosion engine as normally known, an endothermic, electric, hydraulic, pneumatic or permanent magnet engine, of the type with constant rotation.
- an object of the present invention is providing a kinematism with orbital movement with fixed orientation that, differently from known devolution variators, allows transmitting even very high powers.
- Figure 1 shows a schematic diagram of a side section of a preferred embodiment of the kinematism according to the present invention
- Figures 2a, 2b and 2c show side perspective views of the kinematism of Figure 1 in different positions assumed during its operation;
- Figure 3 shows a schematic diagram of a side section of an alternative embodiment of the kinematism according to the present invention
- Figures 4a, 4b and 4c shows side perspective views of the kinematism of Figure 3 in different positions assumed during its operation;
- Figures 5a and 5b show side perspective views of another preferred embodiment of the kinematism according to the present invention in different positions assumed during its operation;
- Figure 6 shows a front perspective view of the kinematism of Figures 5a and 5b.
- the kinematism 1 with orbital movement with fixed orientation comprises at least one first and one second motion transmitting means, respectively 2 and 3, preferably and respectively representing a motion entry shaft and a motion output shaft in/from the kinematism with orbital movement 1, respectively connected to a thrust system 4 and to a driven system 5 that are mutually facing, and described below, and mutually frontally cooperating through respectively first 6 and second 7 mechanically cooperating means, at least such first transmitting means 2 being rotating around a main rotation axis R-R.
- the first mechanically cooperating means 6 are adapted to apply a series of points of force on the IT2010/000264 second mechanically cooperating means 7 in such a way that the set of positions occupied instant by instant in the space by such singularly considered point of force describe a closed or open curve, having a behaviour that can substantially be assimilated to a Lemniscate curve; moreover, the thrust system 4 and, consequently, the first mechanically cooperating means 6, is slanted with respect to such main rotation axis R-R and is symmetrical and coaxial with a slanted axis R' -R' around which the curves of the points of force are symmetrically distributed.
- the point of force is a point arranged on the second mechanically cooperating means 7 in which, instant by instant, the force vector is applied, where the term force vector means a vector characterised by:
- the kinematism 1 comprises rotation-preventing means 8 adapted to prevent the rotation of the single point of force with respect to the main rotation axis R-R and to compel the above point to move in space along the previously defined curve of the point of force.
- Such geometry therefore performs a coupling that combines an orbital movement of the support system 4 with respect to the slanted axis R'- R' conferring a movement in space, and a traditional rotary movement around the main rotation axis R-R that confers a movement in a plane; such two above-described movements are then transmitted to the driven system 5, through the second mechanically cooperating means supported by the second transmission shaft 3 that is rotated around such main rotation axis R-R.
- the operating principle of the kinematism 1 according to the present invention can be described as follows; considering a transfer of forces between the motion entry shaft 2 and the motion output shaft 3, it is possible to obtain a reduction or multiplication (with the same verse or a contrary verse) of the entry torque with respect to the output torque, and a related revolution variation, by placing suitable rotation-preventing constraints through the rotation- preventing means 8 to the points of force symmetrically arranged with respect to the slanted axis R' -R' intersecting the main rotation axis R-R. Such points of force will then be compelled to orbit in space keeping a fixed orientation.
- the curve of the point of force described by such orbiting can be assimilated to a Lemniscate curve with behaviour as a Mobius ring through which the entry torque is transmitted to the driven system 5 by applying the points of force on the second mechanically cooperating means 7 by the first mechanically cooperating means 6 of the thrust system 4.
- the thrust system 4 is composed of a pair of disks opposed and coaxial with the slanted axis R' -R' , a first one 9 of such disks being equipped with the first mechanically cooperating means 6, preferably ' made as a first system with undulated teeth, and a second one 10 of such disks being equipped with a second system with undulated teeth 11:
- the rotation- preventing means 8 preferably comprise a third fixed system with undulated teeth 12 coaxial with the main rotation axis R-R and cooperating with the second system with undulated teeth 11 of the second disk 10 of the thrust system 4.
- the rotation-preventing means 8 can be made with any other system suitable for such purpose, such as, for example, rings with fixed fulcrums with respect to the main rotation axis R-R, tangential contact points between surfaces, etc., without departing from the scope of the present invention.
- the driven system 5 instead is composed of a third disk 13 facing and cooperating with the first disk 9 of the thrust system 4 in which the second mechanically cooperating means 7 comprise a fourth system with undulated teeth integral with the second rotation shaft 3 and cooperating with the first system with undulated teeth.
- the mechanically cooperating means can be made through any other force transmitting system deemed suitable for rotating the output shaft 3, such as, for example, hinges with articulated joint, the use of magnetic fields, etc, without thereby departing from the scope of the present invention.
- the thrust system 4 can be connected to the first motion transmitting means, and in particular to the first rotation shaft 2, by interposing a cylindrical slanted portion of. such shaft 2 coaxial with the slanted axis R' - R' or by keying-in a bush with slanted hole coaxial with the slanted axis R' -R' , or any other mechanical working system suitable for such purpose.
- the points of force are symmetrically distributed, and can be located as tangential contact points between the first and the fourth system with undulated teeth, or any other force transferring means suitable for such purpose to realise mechanically cooperating means.
- the points of force are then ' subjected to rotation-preventing constraints imposed by the rotation-preventing means 8, and in particular by the cooperation between the second 11 and the third system 12 with undulated teeth.
- the slanted axis R' -R' Due thereby to the rotation of the first entry rotation shaft 2, the slanted axis R' -R' , since it is integral with and intersecting such first rotation shaft 2, is compelled to rotate: since the points of force are constrained with a fixed orientation with respect to the main rotation axis R-R and, due to the action of the rotation-preventing means, cannot rotate by following the rotation of the slanted axis R' -R' , they are compelled to orbit by drawing in the space a Lemniscate curve with behaviour as Mobius ring.
- the first motion transmitting means comprise at least one ring 14 rotating around the main rotation axis R-R equipped on its perimeter with at least one groove 15 shaped as a sinusoid, or any force transmitting means deemed suitable, inside which at least one pin 16 slides, integral on its perimeter with the first disk 9 of the P T/IT2010/000264 thrust system 4: also in this case, the driven system 5 is composed of the third disk 13 facing and cooperating with the first disk 9 of the thrust system 4 and equipped with the fourth system with undulated teeth integral with the second rotation shaft 3 and cooperating with the first system with undulated teeth of the thrust system 4: also in this case, by applying a torque through the ring 14 in points subjected to rotation-preventing constraints, the points located by the applied forces are distributed on a line of the points of force in the space according to a Lemniscate curve with behaviour as Mobius ring.
- Such orbiting with fixed orientation of the points of force generates a pair of forces orthogonal to the main rotation axis R-R that will rotate the output transmission shaft 3 with a number of revolutions greater than the number of revolutions as entry and a reduced torque.
- Some example operating positions assumed by the kinematism ' 1 as described above are shown, in particular, in Figures. 4a, 4b and 4c.
- continuous kinematism 1 can be subjected to further modifications or variations as well as further applications not explicitly described, wholly within the grasp of an average technician in the field, though remaining within the same inventive principle: for example, the combination of a reducer kinematism 1 with a 264 multiplier kinematism 1, as previously described, allows making a complex kinematism 1 operating as variator.
- the rotation-preventing means 8 are made of the same interference existing between a plurality of radially arranged pistons 17, that make the second motion transmitting means and the respective cylinders 18, and the mechanically cooperating means are represented by the articulated joints 19 connecting the connecting rods 20 of such pistons to the thrust system 4, through which the points of force are transmitted.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Retarders (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010800673641A CN102939478A (zh) | 2010-06-11 | 2010-06-11 | 具有固定方向轨道运动的运动链 |
EP10736830.0A EP2580491B1 (en) | 2010-06-11 | 2010-06-11 | Kinematism with orbital movement with fixed orientation |
JP2013513820A JP2013528273A (ja) | 2010-06-11 | 2010-06-11 | 固定配向による軌道運動を有する運動機構 |
PCT/IT2010/000264 WO2011154981A1 (en) | 2010-06-11 | 2010-06-11 | Kinematism with orbital movement with fixed orientation |
US13/702,440 US20130079188A1 (en) | 2010-06-11 | 2010-06-11 | Kinematism with orbital movement with fixed orientation |
BR112012031583A BR112012031583A2 (pt) | 2010-06-11 | 2010-06-11 | cinemática com movimento orbital com orientação fixa |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2010/000264 WO2011154981A1 (en) | 2010-06-11 | 2010-06-11 | Kinematism with orbital movement with fixed orientation |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011154981A1 true WO2011154981A1 (en) | 2011-12-15 |
Family
ID=43466988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IT2010/000264 WO2011154981A1 (en) | 2010-06-11 | 2010-06-11 | Kinematism with orbital movement with fixed orientation |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130079188A1 (ja) |
EP (1) | EP2580491B1 (ja) |
JP (1) | JP2013528273A (ja) |
CN (1) | CN102939478A (ja) |
BR (1) | BR112012031583A2 (ja) |
WO (1) | WO2011154981A1 (ja) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013153564A1 (en) | 2012-04-13 | 2013-10-17 | Orbitech Engineering S.R.L | Kinematism with orbital movement with fixed orientation |
WO2014051131A1 (en) * | 2012-09-25 | 2014-04-03 | Canon Kabushiki Kaisha | Gear mechanism, speed reducer, and robot arm |
EP2933531A4 (en) * | 2012-11-13 | 2016-06-01 | Nat University Corp Fukushima University | CROWN DECELERATION MECHANISM |
EP3096444A1 (en) * | 2015-05-21 | 2016-11-23 | The Boeing Company | Balanced eccentric gear design and method |
EP3165789A3 (en) * | 2015-11-04 | 2017-05-31 | The Boeing Company | Elliptically interfacing wobble motion gearing system and method |
US10024391B2 (en) | 2016-01-06 | 2018-07-17 | The Boeing Company | Elliptically interfacing gearbox |
US10215244B2 (en) | 2017-03-02 | 2019-02-26 | The Boeing Company | Elliptically interfacing gear assisted braking system |
US10267383B2 (en) | 2017-05-03 | 2019-04-23 | The Boeing Company | Self-aligning virtual elliptical drive |
US10520063B2 (en) | 2017-04-21 | 2019-12-31 | The Boeing Company | Mechanical virtual elliptical drive |
US10574109B2 (en) | 2016-04-28 | 2020-02-25 | The Boeing Company | Permanent magnet biased virtual elliptical motor |
US10968969B2 (en) | 2019-03-18 | 2021-04-06 | The Boeing Company | Nutational braking systems and methods |
US11459098B2 (en) | 2019-11-27 | 2022-10-04 | The Boeing Company | Variable speed transmission and related methods |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5423460B2 (ja) * | 2010-02-12 | 2014-02-19 | 株式会社ジェイテクト | 揺動歯車の加工方法および加工装置 |
JP2015142454A (ja) * | 2014-01-29 | 2015-08-03 | キヤノン株式会社 | アクチュエータ及び多関節ロボットアーム |
JP6100944B1 (ja) * | 2016-03-18 | 2017-03-22 | 林 秀行 | 冠歯車装置 |
Citations (6)
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US3935750A (en) * | 1973-10-23 | 1976-02-03 | Maroth Arthur M | Counterbalanced mechanical speed-change mechanism |
JPS61119850A (ja) * | 1984-11-14 | 1986-06-07 | Yashima Eng Kk | 減速装置 |
DE3739238A1 (de) * | 1986-11-18 | 1988-05-19 | Gian Piero Barozzi | Spielfreies kompakt-untersetzungsgetriebe |
US6764423B2 (en) * | 1999-12-15 | 2004-07-20 | Lemanski Alphonse J | Variable speed power transmission system |
WO2006090421A1 (en) * | 2005-02-23 | 2006-08-31 | Orbitech Engineering S.R.L. | Desmodromic transmission engine |
DE202006010049U1 (de) * | 2006-06-22 | 2007-10-25 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Sitzbeschlag |
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CA1159677A (en) * | 1980-09-18 | 1984-01-03 | John C. Carden | Motion transmitting devices |
JPS59107355U (ja) * | 1983-01-11 | 1984-07-19 | 三菱重工業株式会社 | 減速機 |
JPH0217184Y2 (ja) * | 1986-07-16 | 1990-05-14 | ||
JPH056167U (ja) * | 1991-07-04 | 1993-01-29 | サンデン株式会社 | 斜板式圧縮機 |
CN2161595Y (zh) * | 1993-03-12 | 1994-04-13 | 南京理工大学 | 集成卷扬机 |
-
2010
- 2010-06-11 US US13/702,440 patent/US20130079188A1/en not_active Abandoned
- 2010-06-11 BR BR112012031583A patent/BR112012031583A2/pt not_active IP Right Cessation
- 2010-06-11 WO PCT/IT2010/000264 patent/WO2011154981A1/en active Application Filing
- 2010-06-11 JP JP2013513820A patent/JP2013528273A/ja active Pending
- 2010-06-11 EP EP10736830.0A patent/EP2580491B1/en active Active
- 2010-06-11 CN CN2010800673641A patent/CN102939478A/zh active Pending
Patent Citations (6)
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US3935750A (en) * | 1973-10-23 | 1976-02-03 | Maroth Arthur M | Counterbalanced mechanical speed-change mechanism |
JPS61119850A (ja) * | 1984-11-14 | 1986-06-07 | Yashima Eng Kk | 減速装置 |
DE3739238A1 (de) * | 1986-11-18 | 1988-05-19 | Gian Piero Barozzi | Spielfreies kompakt-untersetzungsgetriebe |
US6764423B2 (en) * | 1999-12-15 | 2004-07-20 | Lemanski Alphonse J | Variable speed power transmission system |
WO2006090421A1 (en) * | 2005-02-23 | 2006-08-31 | Orbitech Engineering S.R.L. | Desmodromic transmission engine |
DE202006010049U1 (de) * | 2006-06-22 | 2007-10-25 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Sitzbeschlag |
Non-Patent Citations (1)
Title |
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KEDROWSKI D K ET AL: "NUTATING GEAR DRIVETRAIN FOR A CORDLESS SCREWDRIVER", MECHANICAL ENGINEERING, ASME. NEW YORK, US, vol. 116, no. 1, 1 January 1994 (1994-01-01), pages 70 - 74, XP000439367, ISSN: 0025-6501 * |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013153564A1 (en) | 2012-04-13 | 2013-10-17 | Orbitech Engineering S.R.L | Kinematism with orbital movement with fixed orientation |
WO2014051131A1 (en) * | 2012-09-25 | 2014-04-03 | Canon Kabushiki Kaisha | Gear mechanism, speed reducer, and robot arm |
US9427866B2 (en) | 2012-09-25 | 2016-08-30 | Canon Kabushiki Kaisha | Gear mechanism, speed reducer, and robot arm |
EP2933531A4 (en) * | 2012-11-13 | 2016-06-01 | Nat University Corp Fukushima University | CROWN DECELERATION MECHANISM |
EP3096444A1 (en) * | 2015-05-21 | 2016-11-23 | The Boeing Company | Balanced eccentric gear design and method |
CN106168269A (zh) * | 2015-05-21 | 2016-11-30 | 波音公司 | 均衡化的偏心齿轮设计和方法 |
RU2721326C2 (ru) * | 2015-05-21 | 2020-05-19 | Зе Боинг Компани | Уравновешенная конструкция эксцентрического зубчатого колеса и способ |
US10203022B2 (en) | 2015-11-04 | 2019-02-12 | The Boeing Company | Elliptically interfacing wobble motion gearing system and method |
RU2713421C2 (ru) * | 2015-11-04 | 2020-02-05 | Зе Боинг Компани | Способ и система зубчатой передачи на основе качательного движения и эллиптического сопряжения |
EP3165789A3 (en) * | 2015-11-04 | 2017-05-31 | The Boeing Company | Elliptically interfacing wobble motion gearing system and method |
US10024391B2 (en) | 2016-01-06 | 2018-07-17 | The Boeing Company | Elliptically interfacing gearbox |
US10574109B2 (en) | 2016-04-28 | 2020-02-25 | The Boeing Company | Permanent magnet biased virtual elliptical motor |
US10215244B2 (en) | 2017-03-02 | 2019-02-26 | The Boeing Company | Elliptically interfacing gear assisted braking system |
US10520063B2 (en) | 2017-04-21 | 2019-12-31 | The Boeing Company | Mechanical virtual elliptical drive |
US10267383B2 (en) | 2017-05-03 | 2019-04-23 | The Boeing Company | Self-aligning virtual elliptical drive |
US10612626B2 (en) | 2017-05-03 | 2020-04-07 | The Boeing Company | Self-aligning virtual elliptical drive |
US10968969B2 (en) | 2019-03-18 | 2021-04-06 | The Boeing Company | Nutational braking systems and methods |
US11459098B2 (en) | 2019-11-27 | 2022-10-04 | The Boeing Company | Variable speed transmission and related methods |
Also Published As
Publication number | Publication date |
---|---|
CN102939478A (zh) | 2013-02-20 |
EP2580491B1 (en) | 2017-01-11 |
US20130079188A1 (en) | 2013-03-28 |
BR112012031583A2 (pt) | 2016-11-08 |
JP2013528273A (ja) | 2013-07-08 |
EP2580491A1 (en) | 2013-04-17 |
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